[PATCH] 86xx: Enable the AC97 interface on 8641D board.
Jon Loeliger
jdl at freescale.com
Fri May 4 01:55:25 EST 2007
On Thu, 2007-05-03 at 09:44, Kumar Gala wrote:
> On May 2, 2007, at 4:53 PM, Jon Loeliger wrote:
>
> > From: Jason Jin <jason.jin at freescale.com>
> >
> > HD interface and AC97 interface share some pins and they are
> > enabled at
> > the same time, In order to use AC97 interface, we need to disable
> > the HD
> > interface first.
> >
> > Signed-off-by:Jason Jin<jason.jin at freescale.com>
> > Acked-by: Jon Loeliger <jdl at freescale.com>
> > ---
> > arch/powerpc/platforms/86xx/mpc86xx_hpcn.c | 7 ++++++-
> > 1 files changed, 6 insertions(+), 1 deletions(-)
>
> Is the HD feature not used at all? Is there a AC97 Driver CONFIG_
> that makes sense to wrap that with? Just wondering about the mutual
> exclusion (and how to provide flexibility to the user).
>
> - k
The ULI supports both the HD and AC97 interfaces, but the 8641
only supports the AC97 interface. Thus we can straight disable
the HD and convert/configure the shared pins to be AC97. Thus,
there is no real CONFIG_ need at all. It's only AC97. And then
ultimately, the presence of sound support is controlled by
the ALSA config options as per normal.
Thanks,
jdl
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